Tissue interventions using nuclear-emission image guidance

G - Physics – 01 – T

Patent

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Details

G01T 1/29 (2006.01) A61B 6/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2613286

A method and apparatus for marking a lesion in a body part is provided. The method includes the steps of obtaining a first nuclear-emission image of the body part; determining a position of the lesion from the first image; percutaneously introducing a cannula to the determined position; inserting a wire into the cannula, the wire including radioactive material; retracting the cannula while holding the wire in place; and obtaining a second nuclear- emission image of the body part. The second image includes data relating to a position of the lesion and data relating to a position of the wire.

La présente invention concerne un procédé et un appareil pour marquer une lésion dans une partie de corps. Le procédé comprend les étapes consistant à obtenir une première image à émission nucléaire de la partie de corps ; déterminer une position de la lésion à partir de la première image ; introduire par voie percutanée une canule vers la position déterminée ; insérer un fil dans la canule, le fil comprenant une matière radioactive ; retirer la canule tout en maintenant le fil en place ; et obtenir une seconde image à émission nucléaire de la partie de corps. La seconde image comprend des données concernant une position de la lésion et des données concernant une position du fil.

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